Home / 111,267,582.12-153,558,455.40-61,723,928.88

Finding the Fourth Proportional to 111,267,582.12, 153,558,455.40 and 61,723,928.88

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Solution

The fourth proportional to 111,267,582.12, 153,558,455.40 and 61,723,928.88 is: 85,184,121.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,267,582.12 : 153,558,455.40 = 61,723,928.88 : x
  2. Step 2: Convert to fraction form
    111,267,582.12/153,558,455.40 = 61,723,928.88/x
  3. Step 3: Cross multiply
    111,267,582.12x = 153,558,455.40 × 61,723,928.88
  4. Step 4: Simplify right side
    111,267,582.12x = 9,478,231,180,032,252
  5. Step 5: Solve for x
    x = 9,478,231,180,032,252/111,267,582.12
  6. Step 6: Final answer
    x = 85,184,121.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.